Home / 315,200.16-434,911.14-184,352.76

Finding the Fourth Proportional to 315,200.16, 434,911.14 and 184,352.76

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Solution

The fourth proportional to 315,200.16, 434,911.14 and 184,352.76 is: 254,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,200.16 : 434,911.14 = 184,352.76 : x
  2. Step 2: Convert to fraction form
    315,200.16/434,911.14 = 184,352.76/x
  3. Step 3: Cross multiply
    315,200.16x = 434,911.14 × 184,352.76
  4. Step 4: Simplify right side
    315,200.16x = 80,177,069,013.75
  5. Step 5: Solve for x
    x = 80,177,069,013.75/315,200.16
  6. Step 6: Final answer
    x = 254,368.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.